Welcome to the forum @eyesofnikki .
You might find your starters in the user guide. Click on the word GUIDE in the black bar above.
Many people here shoot at lowest possible iso settings, exposing not quite to the right and with apertures of around f/5.6 to f/8. All the rest depends on your backlight…and it’s a good idea to browse through this thread: Let's see your DSLR film scanning setup!